So, you’ve accidentally invited half the neighborhood over for brunch, or maybe it’s just Tuesday morning and your family operates like a small, hungry army? Either way, you’re staring down the barrel of feeding a crowd and wondering if ordering 30 breakfast burritos is your only option. Relax, buttercup! I’ve got your back with a recipe so easy, it practically makes itself while you’re still deciding which coffee mug to use.
Why This Recipe is Awesome
Because frankly, it’s a superhero in a casserole dish. We’re talking about a glorious, cheesy, savory breakfast bake that demands minimal effort for maximum “OMG, you made this?!” reactions. It’s perfect for prepping the night before, meaning you can roll out of bed, pop it in the oven, and bask in the aroma of breakfast greatness without having to juggle a million frying pans. It’s idiot-proof, even I didn’t mess it up, and trust me, my kitchen has seen some things. Plus, it feeds a whole bunch of people without breaking a sweat (yours, not the casserole’s).
Ingredients You’ll Need
Get ready for a grocery list that won’t make your eyes water. Here’s what you need to assemble your breakfast masterpiece:
- 1 lb Breakfast Sausage: Or bacon, or ham, or just skip it if you’re feeling plant-based. Your choice, your adventure!
- 10-12 Large Eggs: The more, the merrier, right? These are the binding agents of deliciousness.
- 2 cups Milk: Any kind! Whole, skim, almond, oat – whatever tickles your fancy.
- 1 tsp Dry Mustard: Don’t skip this! It’s our secret weapon for adding a little oomph without making things taste like mustard.
- 1 tsp Salt: Because bland food is a tragedy.
- 1/2 tsp Black Pepper: Freshly ground if you’re feeling fancy.
- 6-8 slices Bread: Stale bread works best! Think sandwich bread, sourdough, or even brioche if you want to be extra. Cubed up.
- 2 cups Shredded Cheese: Cheddar is classic, but a Colby Jack blend or Monterey Jack would also be divine. Go wild, cheese lover!
- Optional: Diced bell peppers, onions, spinach, mushrooms – whatever veggies need using up in your fridge.
Step-by-Step Instructions
Alright, let’s get cooking! Even if you usually burn toast, you can handle this. Promise.
- Brown the Meat: In a large skillet, cook your breakfast sausage (or bacon, etc.) until it’s nicely browned and crumbly. Drain off any excess grease because nobody wants a greasy bake.
- Prep Your Pan: Grab a 9×13 inch baking dish and grease it generously. Seriously, don’t skimp here unless you enjoy scrubbing. Spread those cubed bread pieces evenly across the bottom.
- Layer Up: Sprinkle the cooked sausage (and any optional veggies!) over the bread cubes. Now, cover that beautiful base with your shredded cheese. Don’t be shy!
- Whisk It Good: In a large bowl, whisk together the eggs, milk, dry mustard, salt, and pepper until everything is well combined and a little frothy. This is where the magic really starts to happen.
- Pour and Chill: Carefully pour the egg mixture over the bread, sausage, and cheese in the baking dish. Make sure all the bread gets a good soak. Cover the dish with plastic wrap and pop it in the fridge for at least 4 hours, or even better, overnight! This is key for flavor absorption.
- Bake It Off: When you’re ready to bake, preheat your oven to 350°F (175°C). Remove the casserole from the fridge and let it sit at room temperature for about 15-20 minutes while the oven preheats. Remove the plastic wrap.
- Golden Perfection: Bake for 45-60 minutes, or until the top is golden brown and the center is set (no jiggles!). A knife inserted into the center should come out clean.
- Rest and Serve: Let it rest for 5-10 minutes before slicing and serving. This helps everything firm up and prevents a messy collapse.
Common Mistakes to Avoid
Don’t be that person. Learn from others’ culinary missteps:
- Thinking you don’t need to preheat the oven: Rookie mistake. Your bake will cook unevenly and take forever.
- Not greasing the dish: You’ll be chiseling breakfast off the pan, not serving it. Learn from my past struggles.
- Skipping the overnight soak: The bread won’t fully absorb the egg mixture, leading to a less cohesive and flavorful casserole. Be patient, it’s worth it!
- Overcooking the eggs: Nobody wants rubbery eggs. Keep an eye on it—it should be set, not shriveled.
- Forgetting to season: Bland food is the enemy. Don’t be afraid of salt and pepper!
Alternatives & Substitutions
Feeling adventurous? Or just out of sausage? No problem, we’ve got options!
- Meat Swap: Instead of breakfast sausage, try crumbled bacon, diced ham, cooked ground turkey, or even vegetarian sausage crumbles.
- Veggie Boost: Stir in sautéed mushrooms, spinach (it’ll wilt down to nothing!), diced bell peppers, or onions with your meat for extra flavor and nutrients.
- Dairy-Free Option: Use your favorite plant-based milk (almond, soy, oat) and a good dairy-free shredded cheese substitute. FYI, some dairy-free cheeses melt better than others, so choose wisely.
- Spicier Kick: Add a pinch of red pepper flakes to the egg mixture, or use a spicy sausage.
- Gluten-Free: Swap out the regular bread for your favorite gluten-free loaf.
FAQ (Frequently Asked Questions)
Got questions? I’ve got answers. Mostly.
Can I use margarine instead of butter to grease the pan? Well, technically yes, but why hurt your soul like that? Butter has better flavor and helps prevent sticking more effectively, IMO.
Can I freeze this breakfast bake? You bet! Bake it, let it cool completely, then wrap it tightly in foil and plastic wrap. It’ll keep for up to a month. Thaw in the fridge overnight and reheat. You can also freeze individual slices for quick breakfasts.
What kind of bread is best? Slightly stale, day-old bread works wonders because it’s less likely to get soggy. Sourdough adds a nice tang, but even plain sandwich bread is totally fine.
My casserole is jiggly in the middle, but the top is golden. Help! Cover the top loosely with foil to prevent over-browning, and keep baking until the center is set. Oven temperatures can vary, so don’t sweat it!
Can I add potatoes? Absolutely! Cook and dice some potatoes, then layer them with the bread. Just make sure they’re mostly cooked before adding them to the bake, or they might be a bit crunchy.
Final Thoughts
There you have it! A simple, crowd-pleasing breakfast that makes you look like a culinary genius without actually requiring genius-level skills. This bake is your new go-to for holidays, lazy weekends, or any time you need to feed a hungry mob without resorting to cereal. Now go impress someone—or yourself—with your new culinary skills. You’ve earned it!

